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-5.2+57.9=15.9+2.8x
We move all terms to the left:
-5.2+57.9-(15.9+2.8x)=0
We add all the numbers together, and all the variables
-(2.8x+15.9)-5.2+57.9=0
We add all the numbers together, and all the variables
-(2.8x+15.9)+52.7=0
We get rid of parentheses
-2.8x-15.9+52.7=0
We add all the numbers together, and all the variables
-2.8x+36.8=0
We move all terms containing x to the left, all other terms to the right
-2.8x=-36.8
x=-36.8/-2.8
x=13+0.4/2.8
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